材料 >> 金属材料
钬,块, Ho, 25mm Max. Lump Size, 2N
品牌: Goodfellow纯度含量: 99.0%产地: 英国
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| 品牌: | Goodfellow | | 纯度含量: | 99.0% | | 产地: | 英国 |
产品介绍 | 订货号 | 包装规格 | | Weight | | 423-611-29 | 50 g | | 951-404-14 | 100 g |
产品参数 | Maximum Lump Size[] | 25mm | | Purity[纯度] | 99.0% | | Weight[重量] | 50 g - 100 g | | Electrical Properties(电气特性) | | Electrical resistivity ( μOhmcm ) | 94@20℃ | | Temperature coefficient ( K⁻¹ ) | 0.00171 @0-100℃ | | Physical Properties(物理性质) | | Boiling point ( C ) | 2695 | | Density ( g cm⁻³ ) | 8.803 @20℃ | | Atomic Properties(原子属性) | | Atomic number | 67 | | Atomic weight ( amu ) | 164.93040 | | Crystal structure | Hexagonal Close Packed | | Electronic structure | Xe4f¹¹6s² | | Ionisation potential ( No./eV ) | 2 / 11.80 | | Ionisation potential ( No./eV ) | 1 / 6.02 | | Thermal neutron absorption cross-section ( Barns ) | 65.0000 | | Valences shown | 3 | | Thermal Properties(热性能) | | Coefficient of thermal expansion ( x10⁻⁶ K⁻¹ ) | 9.500 @0-400℃ | | Latent heat of evaporation ( J g⁻¹ ) | 1695 | | Latent heat of fusion ( J g⁻¹ ) | 104.00 | | Melting point ( C ) | 1474.00 | | Specific heat ( J K⁻¹ kg⁻¹ ) | 165.0 @25℃ | | Thermal conductivity ( W m⁻¹ K⁻¹ ) | 16.20 @0-100℃ | | Mechanical Properties(机械性能) | | Bulk modulus ( GPa ) ( Polycrystalline ) | 40.5 | | Hardness - Vickers ( kgf mm⁻² ) ( Polycrystalline ) | 60 | | Material condition | Polycrystalline | | Poisson's ratio ( Polycrystalline ) | 0.225 | | Tensile modulus ( GPa ) ( Polycrystalline ) | 66.90 | | Tensile strength ( MPa ) ( Polycrystalline ) | 262.00 | | Yield strength ( MPa ) ( Polycrystalline ) | 221.0 |
易燃 与火焰接触后点燃的化学品，或与水接触后逸出高度易燃气体的化学品。
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